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AU206505B2 - Improvements relating to telephone systems - Google Patents

Improvements relating to telephone systems

Info

Publication number
AU206505B2
AU206505B2 AU13369/55A AU1336955A AU206505B2 AU 206505 B2 AU206505 B2 AU 206505B2 AU 13369/55 A AU13369/55 A AU 13369/55A AU 1336955 A AU1336955 A AU 1336955A AU 206505 B2 AU206505 B2 AU 206505B2
Authority
AU
Australia
Prior art keywords
improvements relating
telephone systems
telephone
relating
systems
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU13369/55A
Other versions
AU1336955A (en
Inventor
Drake Bernard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Filing date
Publication date
Application filed by Siemens Brothers and Co Ltd filed Critical Siemens Brothers and Co Ltd
Application granted granted Critical
Publication of AU1336955A publication Critical patent/AU1336955A/en
Publication of AU206505B2 publication Critical patent/AU206505B2/en
Expired legal-status Critical Current

Links

AU13369/55A 1955-11-02 Improvements relating to telephone systems Expired AU206505B2 (en)

Publications (2)

Publication Number Publication Date
AU1336955A AU1336955A (en) 1956-05-10
AU206505B2 true AU206505B2 (en) 1956-05-10

Family

ID=

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